csharp: odata lib - #22384
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Adds semmle.code.csharp.frameworks.OData, following the WCF.qll/JsonNET.qll convention: values cast, as-converted, or type-tested out of an untyped ODataActionParameters dictionary, and entities tracked by Delta<T> (via GetInstance/Patch/Put/CopyChangedValues/CopyUnchangedValues), have no static type relationship to the action method's own parameter types, so their members aren't picked up by the existing AspNetRemoteFlowSourceMember modeling. This adds a TaintedMember for those bound types (with the same nested-type/collection recursion as AspNetRemoteFlowSourceMember), plus two AdditionalTaintStep steps for the Delta<T> method calls, which don't fit the member-read shape TaintedMember covers. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Match WCF.qll's convention: only the TaintedMember/AdditionalTaintStep wiring classes stay private, everything else that identifies a reusable OData domain concept (ODataActionParametersClass, DeltaClass, ODataBoundType, DeltaMutatingMethod, DeltaGetInstanceMethod) is public. Also renames the test fixtures to generic placeholder names. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
import csharp already publicly imports semmle.code.csharp.dataflow.TaintTracking (and DataFlow), same as WCF.qll/JsonNET.qll rely on implicitly. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
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Add predicates and classes for the OData library https://learn.microsoft.com/en-us/dotnet/api/microsoft.aspnet.odata?view=odata-aspnetcore-7.0&viewFallbackFrom=odata-aspnetcore-8.0